PDBe 2d4f

X-ray diffraction
1.7Å resolution

The Crystal Structure of human beta2-microglobulin


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Beta-2-microglobulin Chain: A
Molecule details ›
Chain: A
Length: 100 amino acids
Theoretical weight: 11.88 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P61769 (Residues: 21-119; Coverage: 100%)
Gene names: B2M, CDABP0092, HDCMA22P
Sequence domains: Immunoglobulin C1-set domain
Structure domains: Immunoglobulins

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-E
Spacegroup: C2
Unit cell:
a: 77.649Å b: 28.869Å c: 54.756Å
α: 90° β: 121.66° γ: 90°
R R work R free
0.208 0.207 0.233
Expression system: Escherichia coli